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1 using System;
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2 using System.Collections.Generic;
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3 using System.Linq;
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4 using System.Text;
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5 using System.Threading.Tasks;
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6
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7 namespace Implab.Diagnostics {
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8 public class LogicalOperation {
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9 readonly LogicalOperation m_parent;
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10 readonly string m_name;
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11 readonly int m_level;
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12 readonly int m_timestamp;
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13
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14 public LogicalOperation()
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15 : this(null, null) {
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16 }
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17
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18 public LogicalOperation(string name, LogicalOperation parent) {
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19 m_name = name ?? String.Empty;
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20 m_parent = parent;
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21
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22 m_level = parent == null ? 0 : parent.Level + 1;
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23 m_timestamp = Environment.TickCount;
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24 }
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25
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26 public int Duration {
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27 get {
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28 var dt = Environment.TickCount - m_timestamp;
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29 return dt < 0 ? int.MaxValue + dt : dt; // handle overflow
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30 }
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31 }
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32
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33 public LogicalOperation Parent {
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34 get {
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35 return m_parent;
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36 }
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37 }
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38
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39 public int Level {
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40 get { return m_level; }
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41 }
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42
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43 public string Name {
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44 get { return m_name; }
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45 }
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46 }
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47 }
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